Cryptology ePrint Archive: BibTeX Citation of Report 1996/012

@misc{cryptoeprint:1996:012,
    author = {Yair Frankel, Peter Gemmell, Philip D. MacKenzie, Moti Yung},
    title = {Proactive RSA},
    howpublished = {Cryptology ePrint Archive, Report 1996/012},
    year = {1996},
    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.