To cite package 'irace' in publications use:

Manuel López-Ibáñez, Jérémie Dubois-Lacoste, Thomas Stützle, and Mauro Birattari. The irace package, Iterated Race for Automatic Algorithm Configuration. Technical Report TR/IRIDIA/2011-004, IRIDIA, Université Libre de Bruxelles, Belgium, 2011.

Corresponding BibTeX entry:

  @TechReport{,
    title = {The irace package, Iterated Race for Automatic Algorithm
      Configuration},
    author = {Manuel López-Ibáñez and Jérémie Dubois-Lacoste and Thomas
      Stützle and Mauro Birattari},
    year = {2011},
    institution = {IRIDIA, Université Libre de Bruxelles, Belgium},
    number = {TR/IRIDIA/2011-004},
    url =
      {http://iridia.ulb.ac.be/IridiaTrSeries/IridiaTr2011-004.pdf},
  }