Cryptology ePrint Archive: BibTeX Citation of Report 2007/458

@misc{cryptoeprint:2007:458,
    author = {Nenad Dedic and Danny Harnik and Leonid Reyzin},
    title = {Saving Private Randomness in One-Way Functions and Pseudorandom Generators},
    howpublished = {Cryptology ePrint Archive, Report 2007/458},
    year = {2007},
    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.