Cryptology ePrint Archive: BibTeX Citation of Report 2009/191

@misc{cryptoeprint:2009:191,
    author = {Joan Boyar and Rene Peralta},
    title = {New logic minimization techniques with applications to cryptology.},
    howpublished = {Cryptology ePrint Archive, Report 2009/191},
    year = {2009},
    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.