Cryptology ePrint Archive: BibTeX Citation of Report 2012/209

@misc{cryptoeprint:2012:209,
    author = {Donghoon Chang and Moti Yung},
    title = {Adaptive Preimage Resistance Analysis Revisited:\\ Requirements, Subtleties and Implications},
    howpublished = {Cryptology ePrint Archive, Report 2012/209},
    year = {2012},
    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.