@article{verifierbackedhardproblemgenerationforma,
  title = {Verifier-Backed Hard Problem Generation for Mathematical Reasoning},
  author = {Yuhang Lai and Jiazhan Feng and Yee Whye Teh and Ning Miao},
  year = {2026},
  eprint = {2605.06660},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.06660},
}