Cryptology ePrint Archive: BibTeX Citation of Report 2008/479

@misc{cryptoeprint:2008:479,
    author = {Jinyue Xia, Jiandong Wang, Liming Fang, Yongjun Ren and Shizhu Bian},
    title = {Formal Proof of Relative Strengths of Security between ECK2007 Model and other Proof Models for Key Agreement Protocols},
    howpublished = {Cryptology ePrint Archive, Report 2008/479},
    year = {2008},
    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.