@misc{cryptoeprint:2014:693,
    author = {Ioana Boureanu and Serge Vaudenay},
    title = {Optimal Proximity Proofs},
    howpublished = {Cryptology ePrint Archive, Report 2014/693},
    year = {2014},
    url = {https://eprint.iacr.org/2014/693},
}