Cryptology ePrint Archive: BibTeX Citation of Report 2015/428

@misc{cryptoeprint:2015:428,
    author = {Philipp Jovanovic and Samuel Neves},
    title = {Dumb Crypto in Smart Grids: Practical Cryptanalysis of the Open Smart Grid Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2015/428},
    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.