@article{howtoconstructperfectandworsethancoin,
  title = {How to Construct Perfect and Worse-than-Coin-Flip Spoofing Countermeasures: A Word of Warning on Shortcut Learning},
  author = {Hye-jin Shim and Rosa González Hautamäki and Md Sahidullah and Tomi Kinnunen},
  year = {2023},
  eprint = {2306.00044},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2306.00044v1},
}