Cryptology ePrint Archive: BibTeX Citation of Report 1998/005

@misc{cryptoeprint:1998:005,
    author = {Oded Goldreich and Shafi Goldwasser},
    title = {On the possibility of basing Cryptography on the assumption that $P \neq NP$},
    howpublished = {Cryptology ePrint Archive, Report 1998/005},
    year = {1998},
    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.