@misc{indiciaebaa072e86051,
  title = {Unconditional security of quantum key distribution over arbitrarily long distances},
  author = {HK Lo and HF Chau},
  year = {1999},
  doi = {10.1126/science.283.5410.2050},
  url = {https://pubmed.ncbi.nlm.nih.gov/10092221/},
  note = {Source identifier: 10092221}
}