Cryptology ePrint Archive: BibTeX Citation of Report 2015/587

@misc{cryptoeprint:2015:587,
    author = {Trupil Limbasiya and Nishant Doshi},
    title = {AN ENHANCED BIOMETRIC BASED REMOTE USER AUTHENTICATION SCHEME USING SMART CARD},
    howpublished = {Cryptology ePrint Archive, Report 2015/587},
    year = {2015},
    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.