@misc{indiciae09eb0822ebf1,
  title = {Quantum cryptography based on Bell's theorem.},
  author = {AK Ekert},
  year = {1991},
  doi = {10.1103/physrevlett.67.661},
  url = {https://pubmed.ncbi.nlm.nih.gov/10044956/},
  note = {Source identifier: 10044956}
}