@misc{cryptoeprint:2009:367,
author = {Qiong Huang and Willy Susilo and Duncan S. Wong},
title = {Non-delegatable Identity-based Designated Verifier Signature},
howpublished = {Cryptology ePrint Archive, Report 2009/367},
year = {2009},
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.