Cryptology ePrint Archive: BibTeX Citation of Report 2010/191

@misc{cryptoeprint:2010:191,
    author       = {Michal Rjaško and
		    Martin Stanek},
    title        = {On Designated Verifier Signature Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2010/191},
    year         = {2010},
    note         = {\url{https://ia.cr/2010/191}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.