To cite pulsar in publications use:

  Müller, C. L., Bonneau, R. A., & Kurtz, Z. D. (2016). Generalized
  Stability Approach for Regularized Graphical Models. arXiv. Retrieved
  from https://arxiv.org/abs/1605.07072.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Generalized Stability Approach for Regularized Graphical Models},
    author = {Christian L. Müller and Richard A. Bonneau and Zachary D. Kurtz},
    journal = {pre-print},
    archiveprefix = {arXiv},
    primaryclass = {stat.ME},
    arxivid = {1605.07072},
    eprint = {1605.07072},
    month = {May},
    url = {https://arxiv.org/abs/1605.07072},
    year = {2016},
  }