Cryptology ePrint Archive: BibTeX Citation of Report 2015/021

@misc{cryptoeprint:2015:021,
    author = {Xin Li},
    title = {Non-Malleable Condensers for Arbitrary Min-Entropy, and Almost Optimal Protocols for Privacy Amplification},
    howpublished = {Cryptology ePrint Archive, Report 2015/021},
    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.