Cryptology ePrint Archive: BibTeX Citation of Report 2013/596

@misc{cryptoeprint:2013:596,
    author = {Michael Shantz and Edlyn Teske},
    title = {Solving the Elliptic Curve Discrete Logarithm Problem Using Semaev Polynomials, Weil Descent and Gröbner Basis Methods -- an Experimental Study},
    howpublished = {Cryptology ePrint Archive, Report 2013/596},
    year = {2013},
    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.