Cryptology ePrint Archive: BibTeX Citation of Report 2012/300

@misc{cryptoeprint:2012:300,
    author = {B. Bilgin and S.Nikova and V.Nikov and V.Rijmen and G.Stütz},
    title = {Threshold Implementations of all 3x3 and 4x4 S-boxes},
    howpublished = {Cryptology ePrint Archive, Report 2012/300},
    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.