Cryptology ePrint Archive: BibTeX Citation of Report 2002/131

@misc{cryptoeprint:2002:131,
    author = {Nenad Dedic and Leonid Reyzin and Salil Vadhan},
    title = {An Improved Pseudorandom Generator Based on Hardness of Factoring},
    howpublished = {Cryptology ePrint Archive, Report 2002/131},
    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.