@misc{cryptoeprint:2017:218,
    author = {Kenji Yasunaga and Kosuke Yuzawa},
    title = {Repeated Games for Generating Randomness in Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2017/218},
    year = {2017},
    url = {https://eprint.iacr.org/2017/218},
}