Cryptology ePrint Archive: BibTeX Citation of Report 2002/076

@misc{cryptoeprint:2002:076,
    author = {Vlastimil Klima and Tomas Rosa},
    title = {Attack on Private Signature Keys of the OpenPGP Format, PGP(TM) Programs and Other Applications Compatible with OpenPGP},
    howpublished = {Cryptology ePrint Archive, Report 2002/076},
    year = {2002},
    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.