Cryptology ePrint Archive: BibTeX Citation of Report 2012/413

@misc{cryptoeprint:2012:413,
    author = {Mukund Kalyanaraman and Michael Orshansky},
    title = {Highly Secure Strong PUF based on Nonlinearity of MOSFET Subthreshold Operation},
    howpublished = {Cryptology ePrint Archive, Report 2012/413},
    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.