Cryptology ePrint Archive: BibTeX Citation of Report 2009/051

@misc{cryptoeprint:2009:051,
    author = {Mohammad Reza Reyhanitabar and Willy Susilo and Yi Mu},
    title = {Enhanced Target Collision Resistant Hash Functions Revisited},
    howpublished = {Cryptology ePrint Archive, Report 2009/051},
    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.