@misc{cryptoeprint:2010:329,
author = {Koji Nuida and Goichiro Hanaoka},
title = {On the Security of Pseudorandomized Information-Theoretically Secure Schemes},
howpublished = {Cryptology ePrint Archive, Report 2010/329},
year = {2010},
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.