Cryptology ePrint Archive: BibTeX Citation of Report 2011/292

@misc{cryptoeprint:2011:292,
    author = {Namhun Koo and Gooc Hwa Jo and Soonhak Kwon},
    title = {On Nonlinear Polynomial Selection and Geometric Progression (mod N) for Number Field Sieve},
    howpublished = {Cryptology ePrint Archive, Report 2011/292},
    year = {2011},
    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.