Go to File > New to start a new document. Set your colors to default black outline and no fill. Cmd/ctrl + R to activate the rulers, then right-click (ctrl-click on the Mac) one of the rulers and choose pixels to set the document unit of measurement to pixels.
Choose the Ellipse tool and click once on the page to open the options. Set the size of the ellipse to 88 pixels wide by 136 pixels high and click OK to create the ellipse. With the ellipse selected, go to Object > Path > Offset Path and enter -3 pixels and click OK. Pull the inside ellipse away and set it aside for a minute.