Cryptology ePrint Archive: BibTeX Citation of Report 2008/403

@misc{cryptoeprint:2008:403,
    author = {Markus Dichtl and Bernd Meyer and Hermann Seuschek },
    title = {SPICE Simulation of a "Provably Secure"  True Random Number Generator},
    howpublished = {Cryptology ePrint Archive, Report 2008/403},
    year = {2008},
    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.