@inproceedings{jintai2011inverting,
  title={Inverting the Square systems is exponential},
  author={Jintai Ding},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220721150726132675692},
  booktitle={IACR Cryptol. ePrint Arch.},
  year={2011},
}