Journal Paper
Y. K. Lee, K. Sakiyama, L. Batina, and I. Verbauwhede, "Elliptic Curve Based Security Processor for RFID," IEEE Transactions on Computer 57(11), pp. 1514-1527, 2008.
Y. K. Lee, H. Chan, and I. Verbauwhede, "Design Methodology for Throughput Optimum Architectures of Hash Algorithms of the MD4-class," Journal of Signal Processing Systems 53(1-2), Springer, pp. 89-102, 2008.

Lecture Notes in Computer Science, Springer
Y. K. Lee, and I. Verbauwhede, "A Compact Architecture for Montgomery Elliptic Curve Scalar Multiplication Processor," In Information Security Applications, 8th International Workshop, WISA 2007, Lecture Notes in Computer Science 4867, S. Kim, H. Lee, and M. Yung (eds.), Springer-Verlag, pp. 115-127, 2007. pdf 
Y. K. Lee, H. Chan, and I. Verbauwhede, "Iteration Bound Analysis and Throughput Optimum Architecture of SHA-256 (384,512) for Hardware Implementations," In Information Security Applications, 8th International Workshop, WISA 2007, Lecture Notes in Computer Science 4867, S. Kim, H. Lee, and M. Yung (eds.), Springer-Verlag, pp. 102-114, 2007. pdf 

Conference Paper
Y. K. Lee, L. Batina, and I. Verbauwhede, "Untraceable RFID Authentication Protocols: Revision of EC-RAC ," In IEEE International Conference on RFID 2009, IEEE, pp. to appear, 2009.
M. Knezevic, K. Sakiyama, Y. K. Lee, and I. Verbauwhede, "On the High-Throughput Implementation of RIPEMD-160 Hash Algorithm," In IEEE 19th International Conference on Application-specific Systems, Architectures and Processors (ASAP), IEEE, pp. 85-90, 2008.
Y. K. Lee, L. Batina, and I. Verbauwhede, "EC-RAC (ECDLP Based Randomized Access Control): Provably Secure RFID authentication protocol," In IEEE International Conference on RFID 2008, IEEE, pp. 97-104, 2008.
Y. Lee, Y. K. Lee, Y. Chung, and K. Moon, "One-Time Templates for Face Authentication," In Proceedings of the 2007 IEEE International Conference on Convergence Information Technology, pp. 1818-1823, 2007. pdf 
Y. K. Lee, Herwin Chan, Ingrid Verbauwhede, ""Throughput Optimized SHA-1 Architecture Using Unfolding Transformation", IEEE 17th International Conference on Application-specific Systems, Architectures and Processors (ASAP), pp. 354-359, September 2006. pdf 
Y. K. Lee, Ingrid Verbauwhede, "Secure and Low-cost RFID Authentication Protocols," 2nd IEEE International Workshop on Adaptive Wireless Networks (AWiN), November 2005. pdf 

Before UCLA
Y. K. Lee, Jong Kyu Lee, "Elliptic Curve Secure Remote Password Protocol," Journal of Korea Institute of Information Security & Cryptology, Vol. 9. No. 1, pp 85-102, 1999.
Y. K. Lee, Myoung Soo You, Jong Kyu Lee, "SIR-Based Dynamic Code Allocation Method Prioritized for Handoff Call in DA-CDMA Cellular System," Journal of the Korean Institute of Communication Sciences, Vol. 23. No 9, pp. 2131-2140, sep. 1998.
Y. K. Lee, Jong Kyu Lee,"The Efficiency of the Elliptic Curve Public Key Algorithm," Journal of Engineering & Technology Hanyang University, Vol. 7. No.1, pp295-311, Jul. 1998.