Cryptology ePrint Archive: BibTeX Citation of Report 2008/460

@misc{cryptoeprint:2008:460,
    author = {Donghoon Chang and Seokhie Hong and Jaechul Sung and Sangjin Lee},
    title = {Various Security Analysis of a pfCM-MD Hash Domain Extension and Applications based on the Extension},
    howpublished = {Cryptology ePrint Archive, Report 2008/460},
    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.