The Natural History Museum offers a detailed guide on folding an origami Tyrannosaurus rex.
Depending on what you meant by "make a paper," here are two common interpretations: 1. Paper Craft: Making an Origami Dinosaur
You can follow a tutorial for a Velociraptor designed by Jo Nakashima, which is perfect for fans of the game.
Sites like Instructables provide multi-step processes for creating various Jurassic Park-themed paper models.
For a simpler project, you can make a dinosaur using a paper plate cut in half for the body and cardboard rolls for the legs. Origami Jurassic Park : 7 Steps - Instructables
If you want to create a physical dinosaur from a sheet of paper, there are several step-by-step guides available online: