@misc{cryptoeprint:2012:305,
author = {Duong Hieu Phan and Viet Cuong Trinh},
title = {Resistance to Pirates 2.0: A Method from Leakage Resilient Cryptography},
howpublished = {Cryptology ePrint Archive, Report 2012/305},
year = {2012},
note = {\url{http://eprint.iacr.org/}},
}
You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.