Cryptology ePrint Archive: BibTeX Citation of Report 2012/087

@misc{cryptoeprint:2012:087,
    author = {Joppe W. Bos and Alina Dudeanu and Dimitar Jetchev},
    title = {Collision Bounds for the Additive Pollard Rho Algorithm for Solving Discrete Logarithms},
    howpublished = {Cryptology ePrint Archive, Report 2012/087},
    year = {2012},
    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.