To cite randtoolbox in publications use:

  Christophe D, Petr S (2024). _randtoolbox: Generating and Testing
  Random Numbers_. R package version 2.0.5.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {randtoolbox: Generating and Testing Random Numbers},
    author = {Dutang Christophe and Savicky Petr},
    year = {2024},
    note = {R package version 2.0.5},
  }