Cryptology ePrint Archive: BibTeX Citation of Report 2005/328

@misc{cryptoeprint:2005:328,
    author = {Jonathan Katz and Chiu-Yuen Koo},
    title = {On Constructing Universal One-Way Hash Functions from Arbitrary One-Way Functions},
    howpublished = {Cryptology ePrint Archive, Report 2005/328},
    year = {2005},
    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.