To cite package 'noisyCE2' in publications use:

Santi F (2019). noisyCE2: Cross-Entropy Optimisation of Noisy Functions. R package version 1.0.0.

Corresponding BibTeX entry:

  @Manual{,
    title = {noisyCE2: Cross-Entropy Optimisation of Noisy Functions},
    author = {F. Santi},
    year = {2019},
    note = {R package version 1.0.0},
  }