BibTeX does not have the right entry for preprints. This is a hack for producing the correct reference:
@booklet{EasyChair:5322,
author = {Alex Nguhi},
title = {On the Lattice of 2^n -1 in the Collatz Conjecture},
howpublished = {EasyChair Preprint 5322},
year = {EasyChair, 2022}}