@misc{cryptoeprint:2015:1031,
    author = {Antonio Marcedone and Zikai Wen and Elaine Shi},
    title = {Secure Dating with Four or Fewer Cards},
    howpublished = {Cryptology ePrint Archive, Report 2015/1031},
    year = {2015},
    url = {https://eprint.iacr.org/2015/1031},
}