Cryptology ePrint Archive: BibTeX Citation of Report 2012/170

@misc{cryptoeprint:2012:170,
    author = {Vladislav Kovtun and Andrew Okhrimenko},
    title = {Approaches for the performance increasing of software implementation of integer multiplication in prime fields},
    howpublished = {Cryptology ePrint Archive, Report 2012/170},
    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.