To cite randcorr in publications use:

Enes Makalic and Daniel Schmidt (2016). An efficient algorithm for sampling from sin^k(x) for generating random correlation matrices arXiv:1809.05212

Corresponding BibTeX entry:

  @Unpublished{,
    title = {An efficient algorithm for sampling from sin^k(x) for
      generating random correlation matrices},
    author = {Enes Makalic and Daniel Schmidt},
    note = {arXiv:1809.05212},
  }