The paper comes as a single
Paper.tex. The latest version is generally available as a PDF at https://ethereum.github.io/yellowpaper/paper.pdf .
It can be viewed in
pdflatex Paper.tex (local install of a current free tex distribution required).
Paper.pdf for the first time and every time the bibliography file (
Biblio.bib) is updated, you will also need to run
bibtex Paper and then
pdflater Paper twice (e.g.
bibtex Paper && pdflatex Paper && pdflatex Paper) in order to correctly incorporate all the bibliography references. Alternatively, try the supplied build script (
There are also some online tools like http://latex.informatik.uni-halle.de/latex-online/latex.php you can use for compiling/preview.