I think that's probably too tad long from a stylistic perspective. However I've read published papers where there were paragraphs that went on for more than one page, so in general it's not unheard of...I think said papers were poorly written though personally, and it made the paper a lot harder to read. So consider whether breaking up the paragraph would help make your point clearer.
Ultimately it's about communicating your argument so, if in context it's necessary and there is no clear way to break it up then perhaps you have to stick with it (assuming also, there is no unnecessary waffle or excessive florid prose which is making the whole thing longer to start with). But if as above you could break that paragraph down into multiple points, then those probably ought to be (a) separate paragraph(s). Try summarising the paragraph in a single bullet point - if you need more than one bullet point, that's probably a sign you need more than one paragraph!