To cite reconf in publications use:

  Shedden, M. and Ekvall, K. O. (2026). Score-based confidence
  intervals for variance-covariance parameters in linear mixed models.
  arXiv preprint arXiv:2610.04181.

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {Score-based confidence intervals for variance-covariance parameters in linear mixed models},
    author = {Matias Shedden and Karl Oskar Ekvall},
    year = {2026},
    note = {arXiv preprint arXiv:2610.04181},
    doi = {10.48550/arXiv.2610.04181},
  }