To cite FEST in publications use:

Skare, Ø., Sheehan, N., and Egeland, T. (2009). Identification of distant family relationships. Bioinformatics Advance Access published July 6, 2009.

Corresponding BibTeX entry:

  @Article{,
    title = {Identification of distant family relationships},
    author = {Øivind Skare and Nuala Sheehan and Thore Egeland},
    journal = {Bioinformatics},
    year = {2009},
    note = {Bioinformatics Advance Access published July 6.},
    url = {http://bioinformatics.oxfordjournals.org/},
  }