@misc{cryptoeprint:2019:774,
    author = {Hamidreza Amini Khorasgani and Hemanta Maji and Tamalika Mukherjee },
    title = {Estimating Gaps in Martingales and Applications to Coin-Tossing: Constructions and Hardness},
    howpublished = {Cryptology ePrint Archive, Report 2019/774},
    year = {2019},
    url = {https://eprint.iacr.org/2019/774},
}